package com.itcast.controller;

import com.itcast.pojo.Result;
import io.swagger.annotations.Api;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Cookie , HttpSession演示
 */
@Slf4j
@RestController
@Api(value = "Cookie , HttpSession演示")
public class SessionController {

    //设置Cookie
    @GetMapping("/c1")
    public Result cookie1(HttpServletResponse response) {
        response.addCookie(new Cookie("login_username", "itcast"));  // 设置Cookie/响应Cookie
        return Result.success();
    }

    //获取Cookie
    @GetMapping("/c2")
    public Result cookie2(HttpServletRequest request) {
        Cookie[] cookies = request.getCookies(); // 获取所有的Cookie
        for (Cookie cookie : cookies) {
            if (cookie.getName().equals("login_username")) { // 输出name为login_username 的 cookie
                System.out.println("login_username:" + cookie.getValue());
            }
        }

        return Result.success();
    }

    //往HttpSession中存储值
    @GetMapping("/s1")
    public Result session1(HttpSession session) {
        log.info("HttpSession-s1:{}", session.hashCode());

        session.setAttribute("loginUser", "tom");//往seeion中存储数据
        return Result.success();
    }

    //往HttpSession中获取值
    @GetMapping("/s2")
    public Result session2(HttpServletRequest request) {
        HttpSession session = request.getSession();

        log.info("HttpSession-s2:{}", session.hashCode());

        Object loginUser = session.getAttribute("loginUser"); //从session中获取数据
        log.info("loginUser:{}", loginUser);

        return Result.success(loginUser);
    }
}
